Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

energiewereld.nl

Gaslicht.com | Onafhankelijk vergelijken en overstappen

Page Load Speed

11.7 sec in total

First Response

188 ms

Resources Loaded

11.1 sec

Page Rendered

467 ms

energiewereld.nl screenshot

About Website

Click here to check amazing En Ergiewereld content for Netherlands. Otherwise, check out these important facts you probably never knew about energiewereld.nl

Gaslicht.com helpt u bij het vinden van een energiecontract dat bij u past. Vergelijk uw vaste lasten en stap over het u uitkomt.

Visit energiewereld.nl

Key Findings

We analyzed Energiewereld.nl page load time and found that the first response time was 188 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

energiewereld.nl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

energiewereld.nl

188 ms

www.energiewereld.nl

285 ms

www.gaslicht.com

9312 ms

lux.js

46 ms

gtm.js

61 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Energiewereld.nl, 81% (38 requests) were made to Static2.gaslicht.com and 11% (5 requests) were made to Gaslicht.com. The less responsive or slowest element that took the longest time to load (9.3 sec) relates to the external source Gaslicht.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.1 kB (44%)

Content Size

416.5 kB

After Optimization

233.4 kB

In fact, the total size of Energiewereld.nl main page is 416.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. HTML takes 177.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 143.3 kB

  • Original 177.5 kB
  • After minification 176.9 kB
  • After compression 34.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 143.3 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 866 B

  • Original 26.1 kB
  • After minification 25.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. En Ergiewereld images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 22.3 kB

  • Original 146.3 kB
  • After minification 146.3 kB
  • After compression 124.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 22.3 kB or 15% of the original size.

CSS Optimization

-25%

Potential reduce by 16.6 kB

  • Original 66.5 kB
  • After minification 66.5 kB
  • After compression 49.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Energiewereld.nl needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (44%)

Requests Now

41

After Optimization

23

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Ergiewereld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

energiewereld.nl accessibility score

92

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

energiewereld.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

energiewereld.nl SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Energiewereld.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Energiewereld.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of En Ergiewereld. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: